The Identity Theft Deterrence Act (2003) [ITADA] is a simple law any intent to use or use of a United States falsified document a Federal Felony with time in prison with and higher if used with another crime or committed again. So why not just invoke it an illegal immigrant has one fake document or fabricate a new identity with such documents they go to a Federal Prison and make enough go to the prison to take away the desire to use that option. And since parents likely will both have them you can toss both parents in prison and send the children to relatives if they cannot prove American birth back to their home country. Breaking up families will likely prove even more effective in fact.
Why the Border Patrol doesn't support immigration reform... Border Patrol union 'concerned' by manpower expansion in immigration bill 11 July`13 > The last-minute addition to the sweeping Senate immigration reform bill of $38 billion in security spending on the U.S.-Mexican border has found an unlikely opponent -- Border Patrol agents.
IRS helpin' illegals get away with usin' fake S.S. numbers... IG: IRS Hindered Efforts to Stop Illegals from Misusing Social Security Numbers August 29, 2013 -- An audit report published this month by the inspector general for the Social Security Administration says that the Internal Revenue Service's reluctance to penalize employers who consistently file W-2s on which the Social Security Number and name do not match has "hindered" the SSAs efforts to stop unauthorized noncitizens from using Social Security Numbers that are fake or belong to someone else.